International Journal of Progressive Education 2013, Vol. 9(2) 61-76
George E. Hein
Country | |||
---|---|---|---|
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19 | 26 | |
![]() |
12 | 13 | |
![]() |
5 | 7 | |
![]() |
1 | 1 | |
![]() |
0 | 1 | |
![]() |
0 | 1 | |
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0 | 1 | |
Total 7 countries |